16. In the Multiplications (I) and (II) given below, theletters a and

1.	16. In the Multiplications (I) and (II) given below, theletters a and b stand for the digits. Find the productof a and b.la73 a215762744Multiplication (I)A. 63C. 54E. of theseMultiplication (II)B. 28D. 72
Answer» 1a7 × 81576 7×8=565 will be carry8×1=8last term is 15 so 7 must be the carry for 8×1so8×a+5=778a=72a=9now 3a2 ×b =2744b=2744÷392=7a×b=9×7=63

16. In the Multiplications (I) and (II) given below, theletters a and b stand for the digits. Find the productof a and b.la73 a215762744Multiplication (I)A. 63C. 54E. of theseMultiplication (II)B. 28D. 72

Answer»

1a7 × 81576

7×8=565 will be carry8×1=8last term is 15 so 7 must be the carry for 8×1so8×a+5=778a=72a=9now 3a2 ×b =2744b=2744÷392=7a×b=9×7=63